63036641 has 4 divisors (see below), whose sum is σ = 64740372. Its totient is φ = 61332912.

The previous prime is 63036637. The next prime is 63036647. The reversal of 63036641 is 14663036.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 46185616 + 16851025 = 6796^2 + 4105^2 .

It is a cyclic number.

It is not a de Polignac number, because 63036641 - 2² = 63036637 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63036647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 851810 + ... + 851883.

It is an arithmetic number, because the mean of its divisors is an integer number (16185093).

Almost surely, 2^63036641 is an apocalyptic number.

It is an amenable number.

63036641 is a deficient number, since it is larger than the sum of its proper divisors (1703731).

63036641 is a wasteful number, since it uses less digits than its factorization.

63036641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1703730.

The product of its (nonzero) digits is 7776, while the sum is 29.

The square root of 63036641 is about 7939.5617637247. The cubic root of 63036641 is about 397.9828469161.

Adding to 63036641 its reverse (14663036), we get a palindrome (77699677).

The spelling of 63036641 in words is "sixty-three million, thirty-six thousand, six hundred forty-one".